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Jerry, Master Mechanic
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1997 XJ6: O2 sensor..the passenger compartment or the post cat sensor

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1997 XJ6, is the #2, bank 2, O2 sensor the post cat sensor the outside oneclosest to the passenger compartment or the post cat sensor right beside the engine?

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1997 Jaguar XJ-6 (X300) L6-4.0L (AJ16)



The Heated Oxygen Sensors (HO2S) are situated upstream and downstream the catalysts in the exhaust system and are identified as follows:
  • Bank 1 - Cylinders 1 to 3 - forward exhaust system
  • Bank 2 - Cylinders 4 to 6 - rearward exhaust system
  • Sensor 1 - Sensor upstream of the catalyst - close to the cylinder head
  • Sensor 2 - Sensor downstream of the catalyst - away from the cylinder head

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